A Darkwalker Underlord who is a Rodian The most elevated rank for chiefs of Black Sun was Underlord. Dal Perhi held the Underlord title, and after him, Prince Xizor gained this designation by succeeding in a contest against Kaird; however, he was frequently referred to as the Dark Prince. It is possible that "Underlord" was the title used for all the criminal syndicate's leaders.
Additionally, Underlord signified the uppermost position in the Darkwalkers criminal group located on Naboo.